申请人:BEECHAM GROUP PLC
公开号:EP0249301A1
公开(公告)日:1987-12-16
A compound of formula (I) or a pharmaceutically acceptable salt thereof:
wherein:
R, is hydrogen, C1-6 alkyl, phenyl or phenyl C1-4 alkyl wherein the phenyl moiety is optionally substituted by one or more C1-6 alkyl, C1-6 alkoxy, C1-6 alkylthio, hydroxy, C2-7 alkanoyl, halo, trifluoromethyl, nitro, amino optionally substituted by one or two C1-6 alkyl groups or by C2-7 alkanoyl, cyano, carbamoyl or carboxy groups;
R2, R3 and R4 are independently selected from hydrogen, C1-6 alkyl, C1-6 alkoxy, C1-6 alkoxycarbonyl, C1-6 alkylthio, hydroxy, C2-7 alkanoyl, chloro, fluoro, trifluoromethyl, nitro, amino optionally substituted by one or two C1-6 alkyl groups or by C2-7 alkanoyl, cyano, carbamoyl and carboxy, and phenyl, phenyl C1-4 alkyl or phenyl C1-4, alkoxy in which any phenyl moiety is optionally substituted by any of these groups;
R5 and R6 are independently selected from hydrogen, C1-6 alkyl, C3-7 cycloalkyl, C3-7 cycloalkyl-C1-4 alkyl, C2-6 alkenyl, C1-7 alkanoyl, C1-6 alkylsulphonyl, di-(C1-6 alkyl)amino C1-6 alkyl, 3-oxobutyl, 3-hydroxybutyl, phenyl, phenyl C1-4 alkyl, benzoyl, phenyl C2-7 alkanoyl or benzenesulphonyl any of which phenyl moieties are optionally substituted by one or two halogen, C1-6 alkyl, C1-8 alkoxy, CF3, amino or carboxy, or R6 and R6 together are C2-6 polymethylene optionally interrupted by oxygen or NR9 wherein R9 is hydrogen or C1-6 alkyl optionally substituted by hydroxy;
R7 is hydrogen, C1-6 alkyl, C3-6 cycloalkyl, C3-6 cycloalkyl-C1-4 alkyl, C2-6 alkenyl or C2-6 alkynyl; and
-CO2R8 is a pharamaceutically acceptable ester group, processes for its preparation and its use as a pharmaceutical.
式 (I) 的化合物或其药学上可接受的盐:
其中
R,是氢、C1-6 烷基、苯基或苯基 C1-4 烷基,其中苯基任选被一个或多个 C1-6 烷基、C1-6 烷氧基、C1-6 烷硫基、羟基、C2-7 烷酰基、卤代、三氟甲基、硝基、任选被一个或两个 C1-6 烷基或 C2-7 烷酰基取代的氨基、氰基、氨基甲酰基或羧基取代;
R2、R3 和 R4 独立选自氢、C1-6 烷基、C1-6 烷氧基、C1-6 烷氧羰基、C1-6 硫代烷基、羟基、C2-7 烷酰基、氯、氟、三氟甲基、硝基、任选被一个或两个 C1-6 烷基或 C2-7 烷酰基、氰基、氨基甲酰基和羧基取代的氨基,以及苯基、苯基 C1-4 烷基或苯基 C1-4 烷氧基,其中任何苯基分子任选被上述任一基团取代;
苯基、苯基 C1-4 烷基、苯甲酰基、苯基 C2-7 烷酰基或苯磺酰基,其中任何苯基可选择被一个或两个卤素、C1-6 烷基、C1-8 烷氧基、CF3、氨基或羧基取代,或 R6 和 R6 合在一起是可选择被氧或 NR9 中断的 C2-6 聚亚甲基,其中 R9 是氢或可选择被羟基取代的 C1-6 烷基;
R7是氢、C1-6烷基、C3-6环烷基、C3-6环烷基-C1-4烷基、C2-6烯基或C2-6炔基;和
-CO2R8是法学上可接受的酯基,其制备工艺和作为药物的用途。